CN103619179A

CN103619179A - Device for producing baked products

Info

Publication number: CN103619179A
Application number: CN201280022691.4A
Authority: CN
Inventors: J.哈亚斯; S.杰拉斯彻克; M.科普夫
Original assignee: Haas Food Equipment GmbH
Current assignee: Haas Food Equipment GmbH
Priority date: 2011-05-10
Filing date: 2012-05-04
Publication date: 2014-03-05
Anticipated expiration: 2032-05-04
Also published as: BR112013028729A2; EP2706857B1; CN103619179B; AT511409A1; RU2599832C2; BR112013028729B1; US20140090566A1; US20170112144A1; AT511409B1; WO2012152675A1; EP2706857A1; JP2014518622A; RU2013154376A

Abstract

The invention relates to a device for producing baked products, in particular edible crisp waffles or soft waffles, comprising at least one baking plate (1, 2), the baking surface of which can be heated to a baking temperature. Said device is characterized in that the baking plate has a sensor device (5) for detecting the temperature of the baking plate (1, 2) and/or the pressure acting on the baking surface (3) of the baking plate (1, 2) during the baking process.

Description

Device for the manufacture of baked product

Technical field

The present invention relates to a kind of device for the manufacture of baked product, be particularly useful for manufacturing the device of edible crisp waffle or soft waffle, wherein, be provided with at least one baking tray that preferably moves through baking chamber when curing, its baking surface can heat by stoving temperature.

Background technology

This device is especially waffle oven.The known waffle oven of grilled clamp (Backzange) with circulation is used for the waffle of any type of suitability for industrialized production very early.In addition, up to the present also known measurement adjusting furnace temperature to realize the good process of curing.But current temperature survey is only carried out by infrared heat sensor (Infrarotw rmesensor, it is for example arranged in furnace chamber and measures the temperature at baking tray dorsal part place) always indirectly.In this disadvantageously very large inertia of system, and this temperature survey is not given in during the process of curing in plate the information about temperature changing process, and be not given in during the process of curing the information about temperature changing process at baking surface place more completely.

Up to now, industrialized, the pressure occurring in closed grilled clamp is not measured completely in curing process, and do not used this measurement to cure process control.The grilled clamp that this is particularly useful for being guided through the baking chamber of stove wherein, connects up infeasible as in fixing baking oven.

The process of curing can be changed or be disturbed by many factors, causes thus defective raising of curing process and waste product.For example, dough composition can change aspect water content or flour quality or other dough factor.In addition, owing to polluting-for example due to adhesion, cure residue-can cause multiple injection (Mehraufguss) on baking tray, not only baked product becomes unavailable thus, but also can damage the mechanical part of baking tray and tong holder (Zangenwagen).

Up to now, cure a lot of this interference of process and only can after the process of curing, according to defective baked product, find, therefore especially in the baking oven of fast turn-around, occur a large amount of waste products.

Summary of the invention

Therefore the object of the invention is to the shortcoming of avoiding mentioned, this realizes in the following manner, during the process of curing, by measuring just in time, in baking tray neutralization, near pressure and/or the temperature of baking surface, measure as far as possible, and therefore there is the possibility that parameter is cured in timely adjusting.The operator of baking oven for example should can adjust parameter according to measurement data in the situation that having theoretical value deviation, for example temperature, dough amount, formula and belt speed.In addition the double implantation that, should avoid pollution, wear phenomenon and depend on this.Object is also automatically to regulate baking oven to control according to measured parameter.

According to device of the present invention, should can be used for all baking ovens, therein, it is significant that operation parameter temperature and pressure regulates.This waffle oven is especially used for manufacturing crisp flat pattern waffle, with the waffle product of three-dimensional modeling, flat baked product (carrying out three-dimensionally shaped to this baked product in the state of heating after the process of curing) and soft waffle.The industrialized technical working method of baking oven realizes by means of the grilled clamp (it is arranged each other in rows) of circulation, wherein, corresponding upper baking pan and the lower baking disk of comprising of grilled clamp, and open grilled clamp for holding dough, after closing, cross baking chamber and after baked product, again open to take out baked product, then clean, and and then flow to dough feed station.For example in file AT 378 470 B1 and similar file US 4 438 685, the prior art is illustrated.

The present invention realizes proposed object thus, be provided with at least one baking tray, its baking surface can heat by stoving temperature, and wherein, baking tray has sensor device for surveying the temperature of baking tray and/or surveying the pressure on the baking surface that is applied to baking tray in the process of curing.Sensor device contains at least one sensor.This sensor is preferably arranged in sensor in baking tray to be held in opening, thereby sensor is in baking surface with its sensor head or locates into and extends to until near baking surface.Sensor holds open construction one-tenth from the dorsal part of baking tray towards measuring section extension until near baking surface, and wherein, baking surface and measurement section stretch continuously.

Alternatively, sensor holds opening can penetrate baking tray from the dorsal part of baking tray, and wherein, sensor head is in baking surface and with this baking surface and forms in an identical manner profile (profiliert) with its sensor diaphragm.

The measurement section that sensor holds opening can have the convex thing (Stempel) that protrudes towards sensor head or its sensor diaphragm for transmitting effect to the measurement parameter of measuring on section.Alternatively, sensor diaphragm also can have the convex thing protruding towards measuring section.Measure section and there is for example large wall thickness between 1mm and 3mm.

Sensor holds opening and can be configured to extend into the blind hole in baking tray, and sensor is shaped as cylindricality with its sensor head and is fixed in baking tray by means of ring gripping element.In addition, sensor is preferably can be by means of the passive type temperature and pressure sensor of electromagnetic field inquiry, and this passive type temperature and pressure sensor carries sensor antenna for energy and communication at its sensor dorsal part place.Sensor antenna is H shape notch antenna (H-Schlitz-Antenne).In sensor arranged beneath, have reflecting plate, it is fixed on sensor body or its axle place.

For sensor is associated with one or more utensils that read, its generation is also assessed electromagnetic field.Sensor is set up to for paying the information about the recognition feature of pressure, temperature and representative sensor.Baking tray also can have a plurality of sensors.Baking tray can be the part of the grilled clamp circulating in baking oven, and this grilled clamp is corresponding has lower baking disk and upper baking pan, and wherein, grilled clamp has the movable baking chamber that passes through in dough, closed state at feed.Sensor device can comprise one or more sensors at upper baking pan and/or lower baking disk place.At least one in the grilled clamp circulating in baking oven is provided with at least one sensor device.A plurality of or all grilled clamps of baking oven can be provided with sensor device.In baking oven, be preferably provided with the position indicator of position of the baking tray that is provided with sensor device of indication each grilled clamp and grilled clamp so that each measured value that can associated be read by reading device and definite baking tray and grilled clamp with and position in baking oven.One or more utensils that read are arranged in baking chamber continuously, and the recognition feature of the sensor device of the measured value in succession reading and baking tray (one or more) is provided for apparatus for evaluating.Advantageously, the SAW sensor of the host crystal based on piezoelectricity (Substraktkristalle) being used is sensor.In addition, device is preferably the baking oven for the manufacture of baked product (it is formed between two baking trays that are stacked layout in grilled clamp), wherein, baking oven has the grate that is provided with outside heat insulation portion (W rmeisolierung), and in baking oven, be provided with the grilled clamp of circulation, it is arranged and is carried and pass through baking oven along orbit by the conveying device of baking oven along the orbit (Umlaufbahn) that is guided through the baking chamber of baking oven, wherein, in grate, in the part that is arranged in baking chamber outside of the orbit of grilled clamp, be in arranged in succession on the traffic direction of grilled clamp and be useful on the device that opens grilled clamp, output station for baked product, be used to the feed station of grilled clamp feed and for the device of the grilled clamp of closing, and wherein, be provided with and be integrated in baking oven, the monitoring device of the process of curing of surveying the work activities of baking oven and carrying out in grilled clamp, it is provided with:

(a) sensor device, it comprises at least one sensor that is arranged in the process of curing grilled clamp place, that detection is carried out in grilled clamp, the passive sensor of this sensor arrangement for inquiring about by electromagnetic field,

(b) transmitter-receiver device, it is fixedly placed in baking oven and comprises that at least one of orbit place that is arranged in grilled clamp chain transmits and receives antenna, and it is by the sensor communication of electromagnetic field and sensor device, and

(c) apparatus for evaluating, it is processed from the signal of sensor and produces pilot signal.

Accompanying drawing explanation

Other feature of the present invention can be learnt from claim, explanation subsequently and accompanying drawing.

Further set forth with reference to the accompanying drawings the present invention below.Wherein,

Fig. 1 shown and has been associated with each other and the oblique view of closed two baking trays, and

Fig. 2 shown according to the cross section of the line II-II in Fig. 1,

Fig. 3 has shown the oblique view according to grilled clamp of the present invention, and

Fig. 4 shown according to portion's section in the cross section of the line IV-IV in Fig. 3,

Fig. 5, Fig. 6 and Fig. 7 be corresponding has shown different embodiment, and wherein, sensor is arranged in baking tray in a different manner,

The corresponding embodiment that has shown grilled clamp as oblique view with in cross section of Fig. 8 and Fig. 9, wherein, baking tray is from bearing-type, but is arranged in bearing support,

Figure 10 a, 10b be corresponding shown the three-dimensional waffle product for pouring into a mould baking tray half portion interior views and at closed model by the cross section of middle mould,

Figure 11 and the 12 corresponding side views that show baking oven, therein, can be used relevant assessment and reading device according to baking tray of the present invention,

Figure 13 and 14 is corresponding has schematically shown alternative details.

The specific embodiment

Fig. 1 to 3 shown according to baking tray of the present invention, and its structure is in principle corresponding to prior art.Shown embodiment has shown upper baking pan 1 and lower baking disk 2, wherein, at this, relates to the baking tray from bearing-type, and it does not need bearing support.Two baking trays are so far forth close to each other at baking surface place in the state of shown closure, between baking surface, only leave the needed gap 4 for dough to be cured.Baking surface can be provided with rill in known manner, and this is as known from flat pattern waffle or soft waffle.Rill is not shown in Fig. 1 to 3.

As illustrated with cross section in Fig. 2, upper baking pan has the sensor device 5 of the form of the sensor 6 that is independent.Sensor 6 is arranged in sensor in baking tray to be held in opening 7, and wherein, in this embodiment, sensor extends until the baking surface 3 of close baking tray 1 with its sensor head 8.

As can be found out equally in Fig. 2, sensor holds opening 7 places and becomes to be substantially perpendicular to baking surface 3, and sensor holds opening and extends to baking tray from baking tray back 9.

As also will further set forth by means of Fig. 4 subsequently, sensor extends with its sensor head until near baking surface 3, wherein, between baking surface 3 and sensor head or sensor diaphragm, (it seals sensor head) remains with the thin layer of being made by the material of baking tray.This thin region of baking tray is called as below measures section 10.There is sensor antenna 11 in the place, the other end at sensor 6, it is configured to H shape notch antenna according to Fig. 1.Diagram in the accompanying drawings thinks it is only schematically pure.

Fig. 3 has shown the example in grilled clamp by baking

tray

1 and 2 actual arrangement.By grilled clamp 1 in grilled clamp hinge 12 pivotables, can open in known manner and again close grilled clamp.Grilled clamp forms grilled clamp frame together with roller 13, and a plurality of such grilled clamp frame forms grilled clamp chain each other in a row, and it guides by orbit.Control roll 14 is for controlling the flip-flop movement of upper baking pan 1.

In the prior art that for example can mention from the outset about the more detailed details of the operation principle of such curing range, learn, and point out the prior art especially.

In order to arrange the sensor 6 with sensor antenna 11, what also will say is that antenna and its reflecting plate 15 should be in baking tray place as far as possible closely, yet does not limit the functional of antenna.Sensor antenna 11 also can be in the slight recess of baking tray or baking tray rib.

Fig. 4 has shown sensor 6 has been arranged in to the embodiment in baking tray.

Sensor is inserted in sensor to be held in opening 7, and is kept by ring gripping element 30, and wherein, it is step-like blind hole that sensor holds open construction.Sensor comprises sensor head 8, and it utilizes sensor diaphragm 16 to seal downwards.Sensor holds that opening 7 almost extends until section 10 wherein, is measured between baking surface and sensor diaphragm 16 by baking surface 3 places of baking tray, and it is enough thin to the temperature and pressure situation on baking surface 3 is delivered to sensor head 8 places rapidly.

In order to contact and be transmitted in the parameter between measurement section 10 and sensor diaphragm 16, be provided with convex thing 17, it is configured to measure the little projection of section 10 in the present embodiment, and this projection extends upward in the side towards sensor diaphragm 16.

Self-evident, in those skilled in the art's wish, alternatively convex thing 17 is set to the parts of sensor diaphragm 16, and can makes this convex thing to measuring section 10, work downwards, this is as shown in Figure 13.

Utilize reference number 18 to indicate to measure the wall thickness of section 10, and it is between 0.5mm and 5mm in practice, is preferably between 1mm and 3mm.The wall thickness of measuring section depends on the sensitivity of material and the sensor of baking tray.Importantly can by sensor, determine temperature and pressure with sufficient degree by time enough.

Measuring section 10 comprises by the approximate face territory illustrating of arrow 29.

(substraktgest ü tzten) piezo-electric crystal supporting for the matrix of the part that in fact plays measurement effect of sensor-especially in sensor head 8-be provided with cavity 19, wherein, this structure of measuring the sensitive sensor cluster at sensor internal is invention separately, and does not further show at this.The corresponding precision of importantly in the pressure value by 10 transmission of measurement section and temperature or these parameters can being usingd is delivered to sensor antenna 11 places as signal.

Shaft insulation 20 is on sensor head 8, and the longitudinal extension part of this shaft insulation surpasses the intensity of baking tray.Reflecting plate 15 is on shaft insulation 20.The circuit of not shown electricity, it extends until antenna 11 and the self-evident very high temperature that must withstand baking oven from sensor head 8 within sensor.

Fig. 5 should only illustrate and replace sensor 6 to be arranged in upper baking pan 1, also sensor 6 can be arranged in lower baking disk 2.Similarly, Fig. 6 has shown the multiple arrangement of sensor, that is, or be arranged in lower baking disk and/or be arranged in upper baking pan, demonstrates in this example three sensors are arranged in upper baking pan as sensor device.Fig. 7 has shown and has been arranged in lower baking disk and upper baking pan sensor is corresponding.

Fig. 8,9 has illustrated the arrangement of sensor 6 with another embodiment flexible program of grilled clamp, and wherein, baking tray is not constructed in the mode of certainly carrying, but is assemblied in bearing support 21,22.This of baking tray embodiment in principle can be learnt equally and not need further elaboration from prior art, because the type of the assembling of baking tray is only inessential for the present invention in this case.Professional also identifies shown tong holder for the baking tray without lock part (Verriegelung), and for example it makes for manufacturing, to cure large flat bread (Backflade) for forming subsequently ice cream taper sheath (Waffelt ü te) for manufacturing soft waffle or making.But sensor can also be identical mode be arranged for the tong holder with lock part.

Bearing support is expressed as bearing support 21 and lower bearing support 22.Sensor 6 is in its sensor in upper baking pan 1 to be held in opening 7.Sensor also extends upward so far forth at this, and it is protected by bearing support 21, but does not reduce the effect of sensor antenna 11.

Figure 10 a has schematically shown the interior views for the manufacture of the mold halves of the ice cream taper sheath of cast, wherein, sensor 6 is inserted in mould recess 23, wherein, for sensor 6, be provided with the baking surface 32 of oneself, can be at this baking surface place gaging pressure and/or temperature in a similar fashion.Figure 10 b has shown in closed state by the cross section of middle mould.

Figure 11 has schematically shown the general view of whole curing range.The baking tray that is provided with one or more sensors drives in the baking chamber 25 of stove after output-input station 24.The utensil that reads that has wireless antenna in the top of baking chamber section, this wireless antenna is towards its electromagnetic field of radiation in the direction of the sensor of the grilled clamp of process.Electromagnetic field changes in distinctive mode by the measurement parameter of sensor, and this can assess by reading utensil 26.Read utensil its signal is provided to apparatus for evaluating 28 places via antenna cables 27, this apparatus for evaluating for example comprises the display for the operator of curing range, and wherein, display can be exported corresponding warning when curing parameter change.But apparatus for evaluating also can be arranged to regulate independently cure parameter.

One is read utensil or a plurality of utensil that reads can at random and according to circumstances be selected along the accurate layout in the technique section for the process of curing.Figure 12 has for example shown six arrangements that read utensil 6 in the start-up portion of baking chamber, and additionally equally grilled clamp chain return the part of drawing in also shown that other six are read utensil.Only for setting forth, there is multiple layout possibility in this.Therefore can follow the tracks of the whole change in process of each baking tray and the optimization that brings the process of curing.

Equally, Figure 12 has also schematically shown position indicator 31, and it indicates grilled clamp chain and is arranged in which assembly.Therefore can be accurately associated measurement data and baking tray and its position in baking oven by reading utensil 26 and providing.

Figure 13 has schematically shown a kind of for sensor being arranged in to the alternative that sensor holds opening 7.The convex thing 17 of being responsible for for measurement parameter being transferred in sensor head 8 is the fixing part of sensor diaphragm 16 and outstanding towards the measurement section 10 of baking tray downwards.The rill 33 of baking surface 3 does not interrupt, because measure section 10, is integral continuously with baking tray 1.

Figure 14 has also shown another alternative of measuring assembly for constructing.Sensor holds opening 7 and extends through with the section 32 of the diameter reducing until extend in baking surface 3, thereby has continuous opening.Convex thing 17 passes section 32 until extend to baking surface 3 from sensor diaphragm 16.If should can not visually identify the measuring point of convex thing 17 at the waffle product place of making, convex thing 17 is also provided with rill serially.

List of reference characters

1 upper baking pan

2 lower baking disks

3 baking surfaces

4 gaps

5 sensor devices

6 sensors

7 sensors hold opening

8 sensor head

9 baking tray backs

10 measure section

11 sensor antennas

12 grilled clamp hinges

13 rollers

14 control rolls

15 reflecting plates

16 sensor diaphragm

17 convex things

18 arrows

19 cavitys

20 shaft insulations

Bearing support on 21

22 times bearing supports

23 mould recesses

24 outputs-input station

25 baking chamber

26 wireless antennas, read utensil

27 antenna cables

28 apparatus for evaluating

29 arrows

30 ring gripping elements

31 position indicators

32 sections

33 rills.

Claims

1. the device for the manufacture of baked product, especially manufacture the device of edible crisp waffle or soft waffle, wherein, be provided with at least one baking tray (1 that preferably moves through baking chamber when curing, 2), its baking surface can heat by stoving temperature, it is characterized in that, described baking tray has sensor device (5) for surveying described baking tray (1,2) temperature and/or survey the pressure on the baking surface (3) be applied to described baking tray (1,2) in the process of curing.

2. device according to claim 1, it is characterized in that, described sensor device (5) contains at least one sensor (6), and described sensor (6) is at described baking tray (1,2) in, be arranged in sensor and hold in opening (7), thereby described sensor (6) is in described baking surface (3) with its sensor head (8) or locates into and extends to until near described baking surface (3).

3. device according to claim 1 and 2, it is characterized in that, described sensor holds opening (7) and is configured to from described baking tray (1,2) towards measuring, section (10) extends dorsal part (29) until near described baking surface (3), wherein, described baking surface and described measurement section stretch continuously.

4. according to the device described in any one in claims 1 to 3, it is characterized in that, described sensor holds opening (7) from described baking tray (1,2) dorsal part (29) penetrates described baking tray (1,2), and described sensor head (8) with its sensor diaphragm (16), be in described baking surface and with this baking surface and form in an identical manner profile.

5. according to the device described in any one in claim 1 to 4, it is characterized in that, the measurement section (10) that described sensor holds opening (7) have the convex thing (17) that protrudes towards described sensor head (8) or its sensor diaphragm (16) for transmitting effect to the measurement parameter on described measurement section (10).

6. according to the device described in any one in claim 1 to 4, it is characterized in that, described sensor diaphragm (16) has the convex thing (17) protruding towards described measurement section (10).

7. according to the device described in any one in claim 1 to 6, it is characterized in that, described measurement section (10) has the wall thickness between 1mm and 3mm.

8. according to the device described in any one in claim 1 to 7, it is characterized in that, described sensor holds opening (7) and is configured to extend into described baking tray (1,2) blind hole in, and described sensor (6) is shaped as cylindricality with its sensor head (8) and is fixed in described baking tray (1,2) by means of ring gripping element (30).

9. according to the device described in any one in claim 1 to 8, it is characterized in that, described sensor (6) is preferably can be by means of the passive type temperature and pressure sensor of electromagnetic field inquiry, and this passive type temperature and pressure sensor carries sensor antenna (11) for energy and communication at its dorsal part place.

10. device according to claim 9, is characterized in that, described sensor antenna (11) is H shape notch antenna.

11. devices according to claim 10, is characterized in that, under described sensor antenna (11), are furnished with reflecting plate, and it is fixed on described sensor head (8) or its axle (20) is located.

12. according to the device described in any one in claim 1 to 11, it is characterized in that, for described sensor (6) is associated with one or more utensils (26) that read, its generation is also assessed electromagnetic field.

13. according to the device described in any one in the claims 1 to 12, it is characterized in that, described sensor (6) is set up to for paying about pressure, temperature and representing the information of the recognition feature of described sensor.

14. according to the device described in any one in claim 1 to 13, it is characterized in that, described baking tray (1,2) has a plurality of sensors (6).

15. according to the device described in any one in claim 1 to 14, it is characterized in that, described baking tray (1,2) be the part of the grilled clamp that circulates in baking oven, this grilled clamp is corresponding has lower baking disk and upper baking pan (1,2), and described grilled clamp has in dough, closed state movable by described baking chamber (25) at feed, and, comprise that the described sensor device (5) of one or more sensors (6) is arranged in described upper baking pan and/or lower baking disk place.

16. devices according to claim 15, is characterized in that, at least one in the described baking tray (1,2) circulating in baking oven is provided with at least one sensor device (5).

17. devices according to claim 16, is characterized in that, a plurality of or all baking trays (1,2) of baking oven are provided with sensor device (5).

18. according to claim 15 to the device described in any one in 17, it is characterized in that, in described baking oven, be provided with the described baking tray (1 that is provided with described sensor device (5) of each grilled clamp of indication and grilled clamp, 2) position indicator of position (31), so that can be associated by described read each measured value that utensil (26) reads and definite baking tray (1,2) and grilled clamp with and position in described baking oven.

19. according to the device described in any one in claim 1 to 18, it is characterized in that, one or more utensils (26) that read are arranged in described baking chamber (25) continuously, and the recognition feature of the sensor device of the measured value in succession reading and described baking tray is provided for apparatus for evaluating.

20. according to the device described in any one in claim 1 to 19, it is characterized in that, described sensor (6) is the SAW sensor of the host crystal based on piezoelectricity.

21. according to the device described in any one in claim 1 to 20, it is characterized in that, described device is the baking oven for the manufacture of baked product, this baked product is being stacked two baking trays (1 of layout in grilled clamp, 2) between, cure, wherein, described baking oven has the grate that is provided with outside heat insulation portion, and in described baking oven, be provided with the grilled clamp of circulation, it is arranged and is carried by described baking oven along described orbit by the conveying device of described baking oven along the orbit that is guided through the baking chamber of described baking oven, wherein, in described grate, in the part that is arranged in described baking chamber outside of the orbit of described grilled clamp, be in arranged in succession on the traffic direction of described grilled clamp and be useful on the device that opens described grilled clamp, output station for described baked product, be used to the feed station of described grilled clamp feed and for the device of the described grilled clamp of closing, and, be provided with and be integrated in described baking oven, the monitoring device of the process of curing of surveying the work activities of described baking oven and carrying out in described grilled clamp, it is provided with:

(a) sensor device, it comprises at least one sensor that is arranged in the process of curing described grilled clamp place, that detection is carried out in described grilled clamp, the passive sensor of this sensor arrangement for inquiring about by electromagnetic field,

(b) transmitter-receiver device, it is fixedly placed in described baking oven and comprises that at least one of orbit place that is arranged in described grilled clamp chain reads utensil, and this reads utensil by the sensor communication of electromagnetic field and described sensor device, and

Apparatus for evaluating, it is processed from described sensor, via described, read the signal of utensil and produce pilot signal.